The RCMP opened a file on Helmut Oberlander in 1963 and never closed it. Declassified documents obtained by The Record show Canada has been wrestling with what to do with the former Einsatzkommando translator for almost 60 years.
https://www.therecord.com/news/waterloo-region/2020/10/02/the-oberlander-files-the-secret-history-of-the-last-suspected-nazi-war-criminal-in-canada.html